Pentair Compool PacFab 2 & 3-Way Valve 1/4-20 x 3/4" Screw (520389) delozone Mushroom-style air buttons are useful

Mushroom-style air buttons are useful because they provide a broad

This replacement is especially useful when the original breaker has tripped repeatedly

Fits compatible SP1091LX and SP1091WM skimmer models

Helps restore clean top-side skimmer coverage

Pentair Compool PacFab 2 & 3-Way Valve 1/4-20 x 3/4" Screw (520389) delozone Mushroom-style air buttons are usefulThis 1 4 20 x 3 4 inch screw is used with compatible Compool PacFab 2 way and 3 way valve assemblies where secure fastening is required. It is a small but important replacement part for valve service, especially when original screws are stripped, corroded, missing, or no longer tightening correctly. Using the correct hardware helps maintain even pressure on the valve cover or related component and reduces the chance of leaks caused by improper